List of updated Specifications and Drawings with explanation of revisions.pdf
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- Attached to
- Z1DA--Modernize Building 22 506-21-102
- Solicitation number
- 36C25023B0005
About this file
This document provides updated specifications and drawings with explanations of revisions for a federal contract opportunity to modernize Building 22 at the Veterans Affairs Medical Center in Ann Arbor, Michigan. The project includes additions and revisions to thirteen drawings and nineteen specifications sections, with work involving plumbing, mechanical, and electrical systems. Key changes to drawings include revising equipment schedules and notes, adding dashed lines to indicate scope of a deductive alternate, and modifying details. Revised specifications include expanding commissioning requirements. The related pre-solicitation announcement specifies plans to issue an invitation for bids on November 30th for a firm fixed price contract between $5-10 million. The project has a 120 day award timeline and is set aside for Service-Disabled Veteran Owned Small Businesses. Interested offerors should monitor the website for solicitation details and amendments.
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36C25023B0005 0002 – Modernize Bldg. 22 – 506-21-102 – VAMC Ann Arbor, MI
UPDATED SPECIFICATIONS AND DRAWINGS WITH EXPLANATION OF REVISIONS
GENERAL
The following changes, additions, or deletions shall be made to the following documents as indicated, and all other conditions shall remain the same:
1. SPECIFICATIONS
Item Number 1:
ADDED the following sections to the Contract Documents:
01 91 00 General Commissioning 07 21 13 Thermal Insulation 12 31 00 Manufactured Metal Casework 21 08 00 Commissioning of Fire Suppression Systems 22 08 00 Commissioning of Plumbing Systems
REVISED Section TABLE OF CONTENTS to included added specifications.
Item Number 2:
REVISED the following sections with added references to commissioning:
22 05 11 Common Work Results for Plumbing 22 05 12 General Motor Requirements for Plumbing Equipment 22 05 19 Meters and Gages for Plumbing Piping 22 05 23 General-Duty Valves for Plumbing Piping 22 07 11 Plumbing Insulation 22 11 00 Facility Water Distribution 22 11 23 Domestic Water Pumps 22 13 00 Facility Sanitary and Vent Piping 22 14 00 Facility Storm Drainage 22 34 00 Fuel Fired Domestic Water Heaters 22 40 00 Plumbing Fixtures 22 62 00 Vacuum Systems for Laboratory and Healthcare Facilities 22 63 00 Gas Systems for Laboratory and Healthcare Facilities 22 66 00 Chemical-Waste Systems for Laboratory and Healthcare Facilities
2. DRAWINGS
Item Number 3:
QL102 – FIRST FLOOR EQUIPMENT PLAN:
REVISED First Floor Equipment Schedule:
Item L12: Quantity 4 Description: “Snorkel” Item L13: Quantity 26 Description: “Overhead Ceiling Service Panel”
36C25023B0005 – Modernize Bldg. 22 – 506-21-102 – VAMC Ann Arbor, MI
Item Number 4:
PD100 – BASEMENT PLUMBING DEMOLITION PLAN:
REVISED Note 1 to read as follows:
“SAW CUT GROUND FLOOR SLAB AS NECESSARY TO REMOVE UNDERSLAB PIPING.
PROVIDE BACKFILL AND PATCH FLOOR TO MATCH EXISTING AFTER REMOVAL OF
PIPING. REFER TO SLAB INFILL DETAIL ON SHEET S101. GROUND FLOOR SLAB IS 5"
THICK CONCRETE.”
Item Number 5:
PL100 – BASEMENT PLUMBING NEW WORK PLAN:
REVISED General Note C to read as follows:
“SAW CUT GROUND FLOOR SLAB AS NECESSARY FOR INSTALLATION OF UNDERGROUND
PIPING. BACKFILL AND PATCH FLOOR TO MATCH EXISTING. REFER TO SLAB INFILL
DETAIL ON SHEET S101. GROUND FLOOR SLAB IS 5" THICK CONCRETE.”
Item Number 6:
PL601 – PLUMBING SCHEDULES
ADDED Note 1 to the Remarks at Plumbing Pump Schedule:
“1. PUMP TO RUN CONTINUOUSLY.”
Item Number 7:
MP101 – BASEMENT AND GROUND FLOOR PIPING PLAN:
ADDED the following Note 12 to the Drawing:
“IF DEDUCT ALTERNATE 1 IS ACEPTED, REMOVE ALL WORK IN ENCLOSED REGION.”
ADDED dashed line around the Administration wing and tagged with Note 12 indicating scope within Deduct Alternate 1.
Item Number 8:
M503 – MECHANICAL DETAILS:
REVISED Detail 6 to eliminate flow element and temperature indicator.
REVISED Detail 10 to include a balancing valve.
ADDED Note 1 to Detail 10:
“Piping arrangement also applies to small coils found in fan coil units.”
Item Number 9:
M504 – MECHANICAL DETAILS:
REVISED title to Detail 7 to read:
“CONVECTOR – HOT WATER PIPING CONNECTION”
Item Number 10:
M505 – MECHANICAL DETAILS:
ADDED note to Detail 2 – “22-AHU-2 Detail”:
“4 FAN ARRAY WITH BACKDRAFT DAMPERS.
SELECT FAN FOR N+1 REDUNDANT OPERATION.
WIRE FANS TO JUNCTION BOX.”
Item Number 11:
M701 – MECHANICAL CONTROLS:
REVISED Sequence of Operation for AHU 2.
REVISED Existing Lab Exhaust Fan Control diagram to include moisture sensor location.
REVISED AHU 2 Control Diagram to remove location of exhaust moisture sensor.
ADDED note “4 fan array, Provide VFD for each fan.” to the AHU 2 Control Diagram.
ADDED LOW Static Shutdown sensor to AHU 2 Control Diagram.
Item Number 12:
M703 – MECHANICAL CONTROLS:
REVISED Schedule 7 (POINT LIST – OIT 161, TR G13) to include additional points.
ADDED Control Sequence to Control Diagram 6 (SIMPLIFIED CONTROL DIAGRAM – OIT 161, TR G13)
Item Number 13:
E601 – PANELBOARD SCHEDULES:
ADDED the schedule for Branch Panel 22-R3-1.
ATTACHMENTS
UPDATED DRAWINGS:
QL102 – FIRST FLOOR EQUIPMENT PLAN
PD100 – BASEMENT PLUMBING DEMOLITION PLAN
PL100 – BASEMENT PLUMBING NEW WORK PLAN
PL601 – PLUMBING SCHEDULES
MP101 – BASEMENT AND GROUND FLOOR PIPING PLAN
M503 – MECHANICAL DETAILS
M504 – MECHANICAL DETAILS
M505 – MECHANICAL DETAILS
M701 – MECHANICAL CONTROLS
M703 – MECHANICAL CONTROLS
E602 – PANELBOARD SCHEDULES
UPDATED SPECIFICATIONS:
1. 01 91 00 GENERAL COMMISSIONING - Specification is added to the project documents.
2. 07 21 13 THERMAL INSULATION - Specification is added to the project documents.
3. 12 31 00 MANUFACTURED METAL CASEWORK - Specification is added to the project documents.
4. 21 08 00 COMMISSIONING OF FIRE SUPPRESSION SYSTEMS - Specification is added to the project documents.
5. 22 08 00 COMMISSIONING OF PLUMBING SYSTEMS - Specification is added to the project documents.
6. 22 05 11 COMMON WORK RESULTS FOR PLUMBING - Specification re-issued in its entirety for clarity.
7. 22 05 12 GENERAL MOTOR REQUIREMENTS FOR PLUMBING EQUIPMENT -
Specification re-issued in its entirety for clarity.
8. 22 05 19 METERS AND GAGES FOR PLUMBING PIPING - Specification re-issued in its entirety for clarity.
9. 22 05 23 GENERAL-DUTY VALVES FOR PLUMBING PIPING - Specification re-issued in its entirety for clarity.
10. 22 07 11 PLUMBING INSULATION - Specification re-issued in its entirety for clarity.
11. 22 11 00 FACILITY WATER DISTRIBUTION - Specification re-issued in its entirety for clarity.
12. 22 11 23 DOMESTIC WATER PUMPS - Specification re-issued in its entirety for clarity.
13. 22 13 00 FACILITY SANITARY AND VENT PIPING - Specification re-issued in its entirety for clarity.
14. 22 14 00 FACILITY STORM DRAINAGE - Specification re-issued in its entirety for clarity.
15. 22 34 00 FUEL FIRED DOMESTIC WATER HEATERS - Specification re-issued in its entirety for clarity.
16. 22 40 00 PLUMBING FIXTURES - Specification re-issued in its entirety for clarity.
17. 22 62 00 VACUUM SYSTEMS FOR LABORATORY AND HEALTHCARE FACILITIES -
Specification re-issued in its entirety for clarity.
18. 22 63 00 GAS SYSTEMS FOR LABORATORY AND HEALTHCARE FACILITIES -
Specification re-issued in its entirety for clarity.
19. 22 66 00 CHEMICAL-WASTE SYSTEMS FOR LABORATORY AND HEALTHCARE
FACILITIES - Specification re-issued in its entirety for clarity.
REFERENCE DOCUMENTS:
1. 31-A.100 – BASEMENT FLOOR PLAN (Building 31)
2. 31-A.101 – FIRST FLOOR PLAN (Building 31)
3. 31-A.102 – SECOND FLOOR PLAN (Building 31)
4. 31-A.103 – PENTHOUSE FLOOR PLAN (Building 31)
5. 01E-A.100 – BASEMENT FLOOR PLAN (Building 1E)
6. 15-A.101 – FIRST FLOOR PLAN (Building 15)
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